protected void btnupload_Click(object sender, EventArgs e)
    {
 
        // set temporary variable for database connection
        SqlConnection SqlCon = new SqlConnection("Data Source=localhost;Initial Catalog=ArjunPlastic;Uid=sa;Pwd=vagi0903");
        SqlCon.Open();
 
        string SQL = "INSERT INTO pictures (Filename,Picture) VALUES ('flower',@image)";
        SqlCommand SqlComm = new SqlCommand(SQL,SqlCon);
 
        SqlParameter parimage= new SqlParameter("@image", SqlDbType.Image);
 
        // convert image file to byte array and pass to sql parameter value
        parimage.Value = FileToByteArray("C:\\Documents and Settings\\Administrator\\Desktop\\4014_thumb.jpg");
        SqlComm.Parameters.Add(parimage);
        SqlComm.ExecuteNonQuery();
 
     }
 
        public byte[] FileToByteArray(string FileName)
        {
            byte[] Buffer = null;
 
            // Open file for reading
            FileStream FileStream = new FileStream(FileName,FileMode.Open,FileAccess.Read);
 
            // attach filestream to binary reader
            BinaryReader BinaryReader = new BinaryReader(FileStream);
 
            // get total byte length of the file
            long TotalBytes = new FileInfo(FileName).Length;
 
            // read entire file into buffer
            Buffer = BinaryReader.ReadBytes((Int32)TotalBytes);
 
            // close file reader
            FileStream.Close();
            FileStream.Dispose();
            BinaryReader.Close();   
            return Buffer;
        }